Quick Orientation
Section
Definition
- Objective
- Understand the core idea
- Keywords
- Phenylalanine, tyrosine, glucogenic and ketogenic
Conversion of Phenylalanine to Tyrosine
- Objective
- Learn the main facts and relationships
- Keywords
- Phenylalanine hydroxylase, tetrahydrobiopterin (H4-biopterin), NADPH-dependent dihydrobiopterin reductase
Degradative Pathway and Its Inborn Errors
- Objective
- Follow the sequence and key control points
- Keywords
- homogentisate, fumarate, acetoacetate
Melanin, Thyroid Hormones and Catecholamines
- Objective
- Learn the main facts and relationships
- Keywords
- melanin, thyroid hormones, catecholamines
Catecholamine Synthesis and Functions
- Objective
- Follow the sequence and key control points
- Keywords
- Tyrosine hydroxylase, dopamine, norepinephrine
Clinical Correlation
- Objective
- Connect the mechanism to clinical findings
- Keywords
- Phenylketonuria (PKU), 20 to 65 mg/dL, 1 to 2 mg/dL